When people don't think like we do, we think they're stupid:
Okay, maybe these folks are not too bright. Nonetheless, we have to find ways to persuade others who do not think the way we do. One way is to find the brilliance in everyone and speak to that -- are they really good at numbers and not so good with people? Are they great at sports? Computer technology? Find what they're really good at and see if you can approach them from that perspective.